Vulnerability Description
Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Imagemagick | Imagemagick | < 6.9.10-68 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1894691ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1894691ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
FAQ
What is CVE-2020-27770?
CVE-2020-27770 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered b...
How severe is CVE-2020-27770?
CVE-2020-27770 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27770?
Check the references section above for vendor advisories and patch information. Affected products include: Imagemagick Imagemagick, Debian Debian Linux.